/ Dictionary / Index D duchess: Meaning and Definition of Find definitions for: duch•ess Pronunciation: (duch'is), [key] — n. the wife or widow of a duke. a woman who holds in her own right the sovereignty or titles of a duchy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: duchess (Thesaurus) Duchamp-Villon duchesse Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language